43 At number,mass, & name

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Transcript 43 At number,mass, & name

Warmup:
Concept: PS-2.2 Atomic number, Mass
number, Element name
The diagram below illustrates an atom.
1.Name the element this atom diagram represents.
2.What is the atomic number of this element?
3.What is the mass number of this atom?
The diagram below illustrates an atom.
1. Name the element this atom diagram represents. BerylliumThe name of the element is determined by the number of
Protons.
2. What is the atomic number of this element? 4 The atomic
number is equal to the number of Protons.
3. What is the mass number of this atom? 7AMU The mass
number for an atom is equal to the total number of Protons
and Neutrons in the nucleus.